Clinical pitfalls related to short and long echo times in cerebral MR spectroscopy

被引：16

作者：

Cianfoni, A. ^{[1
]}

Law, M. ^{[2
]}

Re, T. J. ^{[3
]}

Dubowitz, D. J. ^{[4
]}

Rumboldt, Z. ^{[1
]}

Imbesi, S. G. ^{[4
]}

机构：

[1] Med Univ S Carolina, Dept Radiol, Charleston, SC 29425 USA

[2] Univ So Calif, Dept Radiol, Neuroradiol Sect, Los Angeles, CA USA

[3] Univ Cattolica Sacro Cuore, Rome, Italy

[4] UCSD Med Ctr, Dept Radiol, San Diego, CA USA

来源：

JOURNAL OF NEURORADIOLOGY | 2011年 / 38卷 / 02期

关键词：

Brain neoplasms; MRI; MR-Spectroscopy; Echo-time; Pitfalls; MAGNETIC-RESONANCE-SPECTROSCOPY; HUMAN BRAIN-TUMORS; TUMEFACTIVE DEMYELINATING LESIONS; INTRACRANIAL MASS LESIONS; RELAXATION-TIMES; SINGLE-VOXEL; H-1; MRS; DIAGNOSTIC-ACCURACY; T-2; RELAXATION; WHITE-MATTER;

D O I：

10.1016/j.neurad.2010.10.001

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

MR-spectroscopy (MRS) is a multiparameter diagnostic tool and modification of each parameter results in spectrum morphology changes. In particular, changing the echo time (TE) represents a useful tool to highlight different diagnostic elements, but also has significant impact on the spectrum morphology. Diagnostic errors can result if the role of TE is not properly considered. This article reviews the four most common TE-related pitfalls of MRS interpretation. Clinical practical methods to avoid such pitfalls are also suggested. Published by Elsevier Masson SAS.

引用

页码：69 / 75

页数：7

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